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Popular Word Problems >

Set up a linear system and solve.:The sum of two integers is 43 and their difference is 1 . Find the integers.

Solution

S e t u p a l in e a r sys t e m an d so l v e . : T h e s u m o f tw o in t e g ers i s 43 an d t h e i r d i ff ere n ce i s 1 . F in d t h e in t e g ers .

Solution

The numbers : 22, 21

Solution steps

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 43

x - y = 1

x + y = 43, x - y = 1 : x = 22, y = 21

The numbers : 22, 21

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